Spare Parts - thuba BVS 20 ATEX E 105 Serie E-Manual

Manual BVS 20 ATEX E 105 X
5.1 Qualifications
The inspection, servicing and maintenance of
the equipment may only be carried out by expe-
rienced personnel who during their training have
also been instructed in the various types of
explosion protection, installation processes, the
relevant rules and regulations and the general
principles of hazardous zone classification.
Appropriate ongoing training or instruction must
be given to these personnel regularly.
5.2 Servicing of intrinsically safe circuits
The enclosures may be obened for servicing
without any special precautions. If any intrinsi-
cally safe circuits that are connected are affected
by the servicing work, make sure that no danger-
ous remote effects can occur.
5.3 Requirements to be met by the
enclosure
Check the condition of the gaskets. Replace any
defective indicator lamp lenses or similar parts
immediately. When replacing cable entries or
plugs, be sure to seal them properly with
O-rings.
To ensure compliance with the permissible sur-
face temperatures, ensure that the ambient tem-
perature remains within the range indicated on
rating plate. In this connection, remember to take
the effects of other heat sources into account,
such as exposure to sunlight or, if applicable,
higher switching capacities for short periods.
These effects should not be allowed to raise the
enclosure temperature additionally.
5.4

Spare parts

Only genuine spare parts from the manufacturer
may be installed. Make sure that the compo-
nents and parts are suitable for each application
(device category 2D or 3D or device protection
level Db or Dc). The appropriate temperature
range based on the environmental temperature
must also be considered when selecting the
Edition August 2022
Copyright
5.1 资格
检查、维修和维护该设备只能由有经验的人员进
行，这些人员经过各种防爆类型、安装过程、相
关的规章制度及危险区域划分原则等培训。并且
对这些人员定期进行适当的培训或指导。
5.2 本安电路的维修
在不需要任何特殊的预防措施情况下，外壳可以
打开维修。在维修工作时候，如果任何内部连接
的本安电路会产生相互影响，确保不会发生远程
危险影响。
5.3 外壳应满足的要求
检查密封垫的状况。马上更换任何有缺陷的指示
灯透镜或类似零件。在更换电缆入口或插头时，
一定要用O 型密封圈密封好。
确保符合允许的表面温度，确保环境温度保持在
铭牌指示的范围内。在这方面，请记住考虑到其
他热源的影响，比如暴露在阳光下，或者，短时
间内的大开关容量存在。不应允许这些因素额外
提高外壳温度。
5.4 备件
只有制造商提供的原装备件可以安装。确保元件
和零件适用于各种应用（设备类别2D 或3D 及设
备保护等级Db 或Dc）。在选择备件时，基于环
境温度的适当温度范围必须加以考虑。如有疑问
，请与制造商联系。
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thuba Ltd., CH-4002 Basel
Switzerland